Помогите решить! 5/6 + (3/4 + 7/6)

2 3/4 ( Две целых три четвёртых)

= [latex] \frac{5}{6} [/latex] + ([latex] \frac{9}{12} [/latex] + [latex] \frac{14}{12} [/latex]) = [latex] \frac{5}{6} [/latex] + [latex] \frac{23}{12} [/latex] = [latex] \frac{10}{12} [/latex] + [latex] \frac{23}{12}[/latex] = [latex] \frac{33}{12} [/latex] = 2 [latex] \frac{9}{12} [/latex] = 2 [latex] \frac{3}{4} [/latex]